On Sun, 13 Nov 2011, Tomi Orava wrote: > The following log is a complete boot log with only a usb memory stick > connected to usb2 port (ohci_hcd & xhci_hcd blacklisted). ... > [ 2.292054] ehci_hcd 0000:00:13.2: port 5 high speed > [ 2.292059] ehci_hcd 0000:00:13.2: GetStatus port:5 status 001005 0 ACK POWER sig=se0 PE CONNECT > [ 2.343037] usb 2-5: new high speed USB device number 2 using ehci_hcd > [ 2.394080] ehci_hcd 0000:00:13.2: port 5 high speed > [ 2.394085] ehci_hcd 0000:00:13.2: GetStatus port:5 status 001005 0 ACK POWER sig=se0 PE CONNECT > [ 2.445038] usb 2-5: device descriptor read/64, error -32 ... > [ 3.309061] ehci_hcd 0000:00:13.2: port 5 high speed > [ 3.309064] ehci_hcd 0000:00:13.2: GetStatus port:5 status 001005 0 ACK POWER sig=se0 PE CONNECT > [ 3.360059] usb 2-5: new high speed USB device number 4 using ehci_hcd > [ 3.762060] usb 2-5: device not accepting address 4, error -32 This resembles a problem that people have reported for NVIDIA OHCI controllers (they don't like to be kept in the RESET state very long). But in your case it affects an EHCI controller. I have no idea why. Earlier you said that this showed up only with certain "problematic" devices. Is the memory stick one of those devices? Alan Stern -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
